pike.git/ src/ configure.in

2003-10-30

2003-10-30 13:39:22 by Henrik Grubbström (Grubba) <grubba@grubba.org>

• b2d7f36bb6a46ca1429052dc98ceb728e97b6a62 (29 lines) (+13/-16) ^{[ Show | Annotate ]}
  Branch: 7.9

Renamed PIKE_INT32_ALIGNMENT to PIKE_POINTER_ALIGNMENT, and fixed various bugs in the corresponding configure test.
Fixes odd pointer fatal on SunOS 4/sun3x.

Rev: src/acconfig.h:1.129
Rev: src/configure.in:1.742
Rev: src/svalue.c:1.177

1: - AC_REVISION("$Id: configure.in,v 1.741 2003/10/25 02:59:28 nilsson Exp $") + AC_REVISION("$Id: configure.in,v 1.742 2003/10/30 13:39:22 grubba Exp $")   AC_INIT(interpret.c)   AC_CONFIG_HEADER(machine.h)   
4110:      ########################################################################    - AC_MSG_CHECKING(INT32 alignment) + AC_MSG_CHECKING(pointer alignment)   AC_CACHE_VAL(pike_cv_hardware_alignment,   [   if test "x$enable_binary" = "xno"; then
4119:   AC_TRY_RUN([   #include <stdio.h>    - #if SIZEOF_SHORT >= 4 - #define INT32 short - #else - #if SIZEOF_INT >= 4 - #define INT32 int - #else - #define INT32 long - #endif - #endif + struct x { char a; void *b; };    - struct x { char a; INT32 b; }; + struct y { void *a; char b; };      int main(int argc, char *argv[])   { -  FILE f; -  struct x x; +  FILE *f; +  int align = (int)&(((struct x *)0)->b); +  if (align > sizeof(struct y)-sizeof(void *)) +  align = sizeof(struct y) - sizeof(void *); +     if(!(f=fopen("conftest.out.2","w")))    return 1; -  fprintf(f, "%u\n", (unsigned int)(((char *)&x.b)-((char*)&x))); +  +  fprintf(f, "%d\n", align);    fclose(f);    return 0;   }],
4149:   ])      AC_MSG_RESULT($pike_cv_hardware_alignment) - AC_DEFINE_UNQUOTED(PIKE_INT32_ALIGNMENT,$pike_cv_hardware_alignment) + AC_DEFINE_UNQUOTED(PIKE_POINTER_ALIGNMENT,$pike_cv_hardware_alignment)      #############################################################################